I like crabs - especially spanner crabs and soft shell crabs -
clams, mussels, scallops, grilled prawns, lobsters (thermidor or
bisque) and stingrays (in kuah lada or grilled).
I don't like cockles, and tolerate squid. Shark's fins are just
wrong.
Fish - favourites would be eel, haddock, cod, salmon, herring,
monkfish, shishamo, and
anchovies (yes, I do like them!).